1633840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 4093488

約数和(自身を除く): 2459648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1571, 3142, 6284, 7855, 12568, 15710, 20423, 25136, 31420, 40846, 62840, 81692, 102115, 125680, 163384, 204230, 326768, 408460, 816920, 1633840]

約数ペア:

[(1, 1633840), (2, 816920), (4, 408460), (5, 326768), (8, 204230), (10, 163384), (13, 125680), (16, 102115), (20, 81692), (26, 62840), (40, 40846), (52, 31420), (65, 25136), (80, 20423), (104, 15710), (130, 12568), (208, 7855), (260, 6284), (520, 3142), (1040, 1571)]